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Costco Gas Stations in WI (WI)

10 stations across 10 cities

About Costco Gas in WI (WI)

WI (WI) has 10 Costco gas stations across 10 cities. The largest concentrations of stations are in Bellevue (1), Grafton (1), and Menomonee Falls (1). Most stations open at 6 AM on weekdays and close at 10 PM. On Sundays, hours are typically 6 AM–7:30 PM. All Costco gas stations require an active membership. Payment is accepted by Visa, most debit cards, and Costco Shop Cards.

For context, the average retail price of regular gas in the Midwest (PADD 2) region was $3.87/gal (premium $4.99) the week of 2026-11-09. Costco fuel is typically priced below the local average. Source: U.S. EIA weekly retail gasoline prices.

Hours last checked August 20, 2026 · hours on file for 10 of 10 stations. How we check

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Costco gas in WI (WI): FAQ

How many Costco gas stations are in WI (WI)?

WI (WI) has 10 Costco gas stations in 10 cities.

What time do Costco gas stations open in WI (WI)?

Most Costco gas stations in WI (WI) open at 6 AM and close at 10 PM on weekdays (based on the hours on file for 10 of 10 stations). Hours vary by station, so check the station page.

What are Costco gas hours on Sunday in WI (WI)?

On Sundays, Costco gas stations in WI (WI) are typically open 6 AM–7:30 PM (based on the hours on file for 10 of 10 stations).

Which cities in WI (WI) have the most Costco gas stations?

Bellevue (1), Grafton (1), Menomonee Falls (1).